26551140 has 144 divisors (see below), whose sum is σ = 94457664. Its totient is φ = 5510400.

The previous prime is 26551139. The next prime is 26551157. The reversal of 26551140 is 4115562.

It is a self number, because there is not a number n which added to its sum of digits gives 26551140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31930 + ... + 32750.

It is an arithmetic number, because the mean of its divisors is an integer number (655956).

Almost surely, 2^26551140 is an apocalyptic number.

26551140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26551140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47228832).

26551140 is an abundant number, since it is smaller than the sum of its proper divisors (67906524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26551140 is a wasteful number, since it uses less digits than its factorization.

26551140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 26551140 is about 5152.7798322847. The cubic root of 26551140 is about 298.3282571119.

The spelling of 26551140 in words is "twenty-six million, five hundred fifty-one thousand, one hundred forty".